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Opening the fuel filler door

  1. Turn the engine off.

  2. Ensure the all doors are unlocked.

  3. Press the rear center edge (1) of the fuel filler door.

    2025 Hyundai Tucson fuel filler door image. A black arrow points to the rear center edge (1) of the fuel filler door, indicating the position to press. Explains the function of opening the fuel filler door.

    2C_FuelInletDoor

  4. Pull the fuel filler door (1) outward to access the fuel tank cap.

  5. To remove the fuel tank cap (2), turn it counterclockwise. You may hear a hissing noise as the pressure inside the tank equalizes.

    2025 Hyundai Tucson fuel filler door and cap operation image. A curved arrow shows the fuel filler door (1) opening outward. Two curved arrows around the fuel tank cap (2) indicate turning it counterclockwise. Explains the process of opening the fuel door and removing the cap.

    2C_FuelInletDoorOpen

  6. Place the cap on the fuel filler door.

The fuel filler door will unlock when all doors are unlocked.

To unlock fuel filler door:

  • Press the unlock button on your smart key

  • Press the Central Door unlock button on armrest trim of driver's door

    The fuel filler door will lock when all doors are locked.

To lock fuel filler door:

  • Press the lock button on your smart key

  • Press the Central Door lock button on armrest trim of driver's door

* All doors will automatically lock after the vehicle speed exceeds 15 km/h (9 mph).

Fuel filler door is also locked when vehicle speed exceeds 15 km/h (9 mph).